With the gradual shrinkage of the domestic dredging market,dredging enterprises go abroad to undertake international projects.However,there is a big difference between the international engineering project management mode and domestic projects.How to reduce the cost and increase the efficiency,and control the benefit risk,is a matter to be thought about carefully by the dredging enterprises.Taking the Lamu Port project in Kenya as an example,we analyze the way of cost reduction and risk control,so as to provide reference for similar dredging projects.